CVE-2015-3809 Denial of service in n/a
Remote attackers can cause a denial of service via infinite loop in Wireshark LBMR dissector by sending crafted packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-3809?
CVE-2015-3809 is a high-severity denial of service vulnerability in Wireshark Wireshark, published on 26 May 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The dissect_lbmr_pser function in epan/dissectors/packet-lbmr.c in the LBMR dissector in Wireshark 1.12.x before 1.12.5 does not properly track the current offset, which allows remote attackers to cause a denial of service (infinite loop) via a crafted packet.
Weakness: CWE-189
Which versions are affected by CVE-2015-3809?
It affects 1 product.
Products include Wireshark Wireshark.
How do I fix CVE-2015-3809?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2015-3809 being exploited?
There is no known exploitation of CVE-2015-3809 in the wild and no public exploit code.
Other vulnerabilities in Wireshark Wireshark
Sources
Also known as DEBIAN-CVE-2015-3809, GHSA-cw7p-98g4-9g94, UBUNTU-CVE-2015-3809.